Phototherapy devices may be repurposed to disinfect N95 masks

The acute shortage of N95 masks in the COVID-19 pandemic may be alleviated by repurposing UVB phototherapy devices for UVC germicidal disinfection of the respirators, dermatologists in the US say. Dr ltefat Hamzavi and colleagues at the Henry Ford Hospital in Detroit have worked with phototherapy device maker Daavlin to switch the UV wavelength of ...

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